Editable PDF Certificate Creation

I have already designed the certificate as a high-resolution PNG and now I need it converted into a fillable PDF. The artwork, logos, borders, and any decorative images must remain locked exactly as they appear, while the textual areas should become editable form fields... (Budget: $30 - $250 USD, Jobs: Adobe Acrobat, Adobe Creative Cloud, Adobe Illustrator, Adobe InDesign, Graphic Design, Microsoft Office, PDF, Visual Design, Word)